ocean radar

ambience

ambient

ambiance

antenna

pulsing

communicating

contacting

detect

detecting

detection

detector

discovering

submarine locate

locating

monitoring

mysterious

outerspace

sonar

range

scan

scanner

scanning

search

searching

sensor

ship

space signal

sos

sound effect

sfx

suspense

suspenseful

technical

trailer

transmission

film

documentary

video

emitting

pulses

rhythmic

tracking

electronic

telemetry

technology

tracker

video game

atmosphere

sci-fi movie